The saga of animal walkers: the battle of the animal kingdoms is raging and Simon is right in the middle of it. No sooner has he escaped the deadly dangers of the snake kingdom than the next adventure awaits him and his friends. The search for the missing pieces of that weapon that once belonged to the legendary leader of all animal kingdoms leads the animal walkers to the city of the sharks. In the dark depths of the Pacific, Simon is dealing with sinister figures. And with the question of whether he dares the right thing or endangers his own.